Lessons Learned using PureScript to build Mobile App Dev Framework by Vimal at FnConf17
Transactional apps are nothing but simple conversational flows between the User and System. They can be written using a simple UX DSL leveraging continuation passing style (CSP) semantics. Despite this being the most important problem to simplify, we find that the current frameworks complicate the building and maintenance of transactional apps, requiring heavy investment in engineering effort and the development process is not a pleasant creative experience.
At Juspay, we saw no reason for this to be the case, and set out to create a framework to dramatically lower the barriers of entry for quickly building out solutions to typical real world applications. Being strong believers in the functional programming paradigm, we abstracted out all the parts of an app as extremely composable lego blocks / pure functions.
We chose PureScript as our core language, for the conciseness of Haskell paired with the ubiquity of the JavaScript interpreter. The UI components and business flows are simple pure func
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